Search a number
-
+
125144797 is a prime number
BaseRepresentation
bin1110111010110…
…00111011011101
322201111000101111
413131120323131
5224014113142
620230142021
73046466431
oct735307335
9281430344
10125144797
1164706158
1235ab1911
131cc0889b
14128989c1
15aebee17
hex7758edd

125144797 has 2 divisors, whose sum is σ = 125144798. Its totient is φ = 125144796.

The previous prime is 125144791. The next prime is 125144809. The reversal of 125144797 is 797441521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79905721 + 45239076 = 8939^2 + 6726^2 .

It is an emirp because it is prime and its reverse (797441521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125144797 - 211 = 125142749 is a prime.

It is a super-2 number, since 2×1251447972 = 31322440432342418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125144791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62572398 + 62572399.

It is an arithmetic number, because the mean of its divisors is an integer number (62572399).

Almost surely, 2125144797 is an apocalyptic number.

It is an amenable number.

125144797 is a deficient number, since it is larger than the sum of its proper divisors (1).

125144797 is an equidigital number, since it uses as much as digits as its factorization.

125144797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 40.

The square root of 125144797 is about 11186.8135320117. The cubic root of 125144797 is about 500.1929881682.

The spelling of 125144797 in words is "one hundred twenty-five million, one hundred forty-four thousand, seven hundred ninety-seven".